The circle \(2x^2 = -2y^2 + 12x - 4y + 20\) is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?
Circle radius r = 2√5
The length of a side of the square is 2(2√5)
Area of the square = [2(2√5)]2 units squared